Pilar Lisbona

Pilar Lisbona
University of Zaragoza | UNIZAR · Department of Mechanical Engineering

PhD in Renewable Energy

About

95
Publications
13,843
Reads
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2,010
Citations
Citations since 2016
67 Research Items
1557 Citations
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
Additional affiliations
May 2021 - present
University of Zaragoza
Position
  • Professor (Associate)
October 2019 - May 2021
ARAID Research and Development
ARAID Research and Development
Position
  • Senior Researcher
April 2017 - June 2017
Università di Pisa
Position
  • Professor

Publications

Publications (95)
Article
Full-text available
Thermal energy storage (TES) is the most suitable solution found to improve the concentrating solar power (CSP) plant’s dispatchability. Molten salts used as sensible heat storage (SHS) are the most widespread TES medium. However, novel and promising TES materials can be implemented into CSP plants within different configurations, minimizing the TE...
Conference Paper
La memoria a largo plazo es fundamental para tener una base de conocimiento sólida sobre la que construir nuevos modelos mentales. Sin embargo, los estudiantes a menudo estudian de forma masiva e inmediata, centrándose únicamente en superar las pruebas de evaluación. La "curva de olvido" (Herman Ebbinghaus, 1885) muestra que la pérdida de retención...
Article
Full-text available
Nickel and ruthenium promoted by ceria were compared as catalyst active phase for the production of synthetic natural gas in a 1 kW fixed-bed reactor (49 cm in length and 3 cm in diameter). Both catalysts were tested in a broad range of conditions: 250–450 °C, 8000–16000 h⁻¹ GHSV, 3.5–5.5H2/CO2 ratio, and atmospheric pressure. The Ni-based catalyst...
Article
Full-text available
The utilization of power to gas technologies to store renewable electricity surpluses in the form of hydrogen enables the integration of the gas and electricity sectors allowing the decarbonization of the natural gas network through green hydrogen injection. Nevertheless, the injection of significant amounts of hydrogen may lead to high local conce...
Article
In this paper we present the first systematic review of Power to X processes applied to the iron and steel industry. These processes convert renewable electricity into valuable chemicals through an electrolysis stage that produces the final product or a necessary intermediate. We have classified them in five categories (Power to Iron, Power to Hydr...
Article
Power-to-Gas (PtG) represents one of the most promising energy storage technologies. PtG converts electricity surplus into synthetic natural gas by combining water electrolysis and CO2 methanation. This technology valorises captured CO2 to produce a ‘carbon neutral’ natural gas, while allowing temporal displacement of renewable energy. PtG-Oxycombu...
Article
Ca-Looping represents one of the most promising technologies for thermochemical energy storage. This process based on the carbonation-calcination cycle of CaO offers a high potential to be coupled with solar power plants for its long-term storage capacity and high temperatures. Previous studies analyzed different configurations of CaL integrated in...
Article
Full-text available
The global carbon emissions from the tertiary sector have increased during the last years, becoming a target sector for carbon capture technologies. This study analyzes the potential application of a carbon capture system (CCS) to the usage of biogas from a livestock waste treatment plant (LWTP) and solid biomass. The proposed BECCS system fulfils...
Article
In order to get a more stable and efficient sorbent on mercury removal from flue gas, MnCl2 has been used to improve the sorption capacity of magnetic iron-carbon. BET and XRF tests have been conducted to demonstrate the characteristic properties of the obtained doped sorbents. Higher concentrations of impregnation solution lead to more MnCl2 loade...
Article
Calcium-looping thermochemical energy storage associated to concentrating solar plants appears as promising technology given its potential to increase the storage period and energy density of the stored material. Up to now, research efforts focused on the global efficiency of the TCES associated to different power cycles under fixed modes of operat...
Article
Full-text available
Massive penetration of renewable energy in the energy systems is required to comply with existing CO2 regulations. Considering current power pools, large shares of renewable energy sources imply strong efficiency and economic penalties in fossil fuel power plants as they are mainly operated to regulate the system and constant shutdowns are expected...
Conference Paper
Calcium-looping process can be coupled with concentrated solar power plants serving as a thermochemical energy storage alternative. Endothermic limestone calcination reaction allows for the storage of thermal energy at high temperatures (950 °C) while producing pure streams of CaO and CO2. The stored energy may be recovered whenever is required by...
Article
Calcium-looping systems can be integrated in concentrated solar power (CSP) plants as an alternative for thermal energy storage. This storage concept is based in the high temperature reversible calcination-carbonation reactions, in which limestone and lime are alternatively converted. Energy from CSP can be stored by limestone calcination (endother...
Chapter
Carbon capture and energy storage technologies will play an important role in the future energy system under high share of renewable electricity generation. This chapter reviews the energy storage technologies, with special attention to the potential use in electricity grid services, and the current status of CO2 capture technologies. The Power to...
Chapter
This chapter aims to demonstrate that Power to Gas can be effectively integrated with carbon capture processes to increase the global efficiency of the energy storage and provide a carbon source for fuel conversion. In particular there are two capture technologies analysed and applied to industrial boilers: amine scrubbing and oxyfuel technologies....
Chapter
Among the different Power to Gas hybridizations proposed to improve the efficiency of PtG energy storage technology, the integration with amine scrubbing process as carbon source is the most mature option. The concept, main operation parameters and points of integration are described in the first section of this chapter. Two application cases are a...
Chapter
Some remarkable hybridizations to enhance Power to Gas are those that avoid carbon capture penalties. A suitable option to this end is the hybridization of PtG with an oxy-fuel combustion process. In oxy-fuel combustion, pure oxygen is used as comburent instead of air. Conventionally, requiring an air separation unit to produce the oxygen leads to...
Article
The increase of renewable share in the energy generation mix makes necessary to increase the flexibility of the electricity market. Thus, fossil fuel thermal power plants have to adapt their electricity production to compensate these fluctuations. Operation at partial load means a significant loss of efficiency and important reduction of incomes fr...
Conference Paper
One of the biggest challenges in Higher Education (HE) involves the personalization of the learning experience. Differentiation to meet the specific needs of every type of learner is today a common hot-topic. However, personalized learning is not a new concept and it has evolved to its present state supported by technology. Learning Management Syst...
Article
Full-text available
Syngas production by inert porous media combustion of rich biogas-air mixtures was studied experimentally, focusing on carbon dioxide utilization and process efficiency. Different gas mixtures of natural gas and carbon dioxide, which simulated a typical biogas composition of 100:0, 70:30, 55:45, and 40:60 (CH4 :CO2), were comparatively analyzed con...
Article
This paper addresses the analysis of different configurations of carbonator for thermochemical energy storage for concentrated solar applications. The design of this equipment is different from the previous experience of calcium looping cycle for carbon capture. The use of fluidized beds and large particles are not feasible for this novel applicati...
Book
This book presents a detailed analysis of Power-to-Gas, a promising energy storage technology. It discusses the main mechanisms involved, and presents two Power-to-Gas and carbon capture hybridizations. The book begins by providing an introduction to energy storage technologies. It then reviews a number of Power-to-Gas projects now in progress, hig...
Chapter
One of the most relevant limitations for CO2 capture or utilization of massive deployment is the high energy consumption of these processes. Energy penalties may vary from 7.5% to 10.5% points depending on the selected carbon capture process. When facing the utilization of carbon, this penalty ranges widely depending on the final conversion process...
Article
The need of fast regulation of electricity production leads to a number of inconveniences occurred to the electric generation system and the electric market, especially to the nuclear power. A new methodology to control nuclear power production is posed in order to allow the regulation of the electricity sent to the grid. This methodology proposes...
Conference Paper
Calcium-looping systems can be integrated in concentrated solar power plants serving as an energy storage alternative. This concept is based in the reversible calcination-carbonation reaction, in which limestone and lime are alternatively converted, generating and using CO 2 and introducing (storing) or releasing important quantities of energy. Ene...
Article
Full-text available
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Article
Full-text available
Power to Gas technology, which converts surplus electricity into synthetic methane, is a promising alternative to overcome the fluctuating behavior of renewable energies. Hybridization with oxy-fuel combustion provides the CO2 flow required in the methanation process and allows supplying both heat and electricity, keeping the CO2 in a closed loop....
Article
One of the main challenges associated with utilisation of the renewable energy is the need for energy storage to handle its intermittent nature. Power-to-Gas (PtG) represents a promising option to foster the conversion of renewable electricity into energy carriers that may attend electrical, thermal, or mechanical needs on-demand. This work aimed t...
Article
Climate targets set by international organizations require the implementation of innovative technologies that ensure the decarbonization of energy sector. It may be partially achieved through a large penetration of Renewable Energy Sources. Massive energy storage is essential to handle excess electricity associated to RES and Power-to-Gas represent...
Article
Some of the relevant post-combustion CCS research trends includes the reduction of the energy consumption required for regeneration. It is a priority to find novel solvents that show high affinity for CO2 together with an ease of regeneration and reuse. Recently, impregnated solid sorbents have been suggested to tackle with these issues. In particu...
Article
Innovative technologies and strategies to decarbonize electricity generation, transport, and heat supply sector are key factors to achieve the global climate targets set by international organizations. One of these strategies implies a significant increase of the share of renewable electricity in the energy mix. Given the intermittent behaviour of...
Article
Several researchers have proposed in literature different Power to Gas (PtG) hybridizations to improve the efficiency of this energy storage technology. Some of the synergies of this hybrid systems are already being tested under real conditions (e.g. PtG-Amine scrubbing, PtG-wastewater treatment) while others have only been studied through numerica...
Article
Full-text available
Power to Gas (PtG) has been pointed out in the last years as a promising energy storage technology to smartly manage the renewable intermittent power generation that limits the operational flexibility of the network. In this work, we present a prospective study for the Spanish case, in which the implementation potential of PtG technology is evaluat...
Article
Full-text available
It is crucial to reduce the energy penalties related to CO2 capture processes if CCS is to be implemented at industrial scale. In this context, gas-solid sorption has become a relevant technology. The absence of large amounts of water when using dry solid sorbents and their high heat capacity reduce the energy requirements in the gas-solid sorption...
Chapter
Among new emerging proposals for CO2 capture, high temperature looping systems have a main advantage due to the significant amount of energy that may be recovered, thus promoting low energy penalties. Heat integration plays, therefore, an important role in the future deployment of these technologies. The following chapter is devoted to defining the...
Article
Power to Gas (PtG) processes have appeared in the last years as a long-term solution for renewable electricity surplus storage through methane production. These promising techniques will play a significant role in the future energy storage scenario since it addresses two crucial issues: electrical grid stability in scenarios with high share of rene...
Article
Power to Gas (PtG) has appeared in the last years as a potential long-term energy storage solution, which converts hydrogen produced by renewable electricity surplus into synthetic methane. However, significant economic barriers slow down its massive deployment (e.g. operating hours, expensive investments). Within this framework, the PtG-Oxycombust...
Article
High-temperature solid looping cycles for carbon capture provide a number of benefits when coupled with fuel reforming because they may combine the fuel reactor where the fuel is decarbonized with the CO2 sorption step in the capture cycle. The heat released in the carbonation reaction may be used to run the endothermic steam reforming occurring in...
Article
The Calcium Looping (CaL) technology, based on the multicyclic carbonation/calcination of CaO in gas-solid fluidized bed reactors at high temperature, has emerged in the last years as a potentially low cost technology for CO2 capture. In this manuscript a critical review is made on the important roles of energy integration and sorbent behavior in t...
Article
One of the main future energy challenges is the management of electrical supply and demand, mainly motivated by the increase of share renewable energy in electricity mix. Thus, energy storage represents a crucial line of research and innovative solutions are currently being proposed. Power to Gas is a technology which stores excess of electrical en...
Chapter
This chapter describes why calcium looping and chemical looping combustion technologies are more efficient than their rivals, particularly when the aim is to produce a stream of CO2 for storage or utilization. The focus is on causes of inefficiency, and the development of solid looping cycle energy and exergy analyses as key tools to achieving desi...
Article
This work faces the challenge of cutting the specific energy demand in the CO2 capture process based on Ca-looping technology. The use of high-temperature sorbents allows an efficient integration of the excess heat flows. Up to now, several investigations studied the Ca-looping integration with external systems such as a steam cycle. In this resear...